# 1 "mul.c"
# 1 "<built-in>"
# 1 "<command-line>"
# 1 "/usr/include/stdc-predef.h" 1 3 4
# 1 "<command-line>" 2
# 1 "mul.c"
# 1 "head.h" 1


int add (int ,int );
int sub(int ,int);
int mul(int ,int);
double div(int ,int);
# 2 "mul.c" 2
int mul (int a, int b){
  return a*b;
}
